Home / 30,264.28-41,768.38-18,327.30

Finding the Fourth Proportional to 30,264.28, 41,768.38 and 18,327.30

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Solution

The fourth proportional to 30,264.28, 41,768.38 and 18,327.30 is: 25,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,264.28 : 41,768.38 = 18,327.30 : x
  2. Step 2: Convert to fraction form
    30,264.28/41,768.38 = 18,327.30/x
  3. Step 3: Cross multiply
    30,264.28x = 41,768.38 × 18,327.30
  4. Step 4: Simplify right side
    30,264.28x = 765,501,630.77
  5. Step 5: Solve for x
    x = 765,501,630.77/30,264.28
  6. Step 6: Final answer
    x = 25,293.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.